How to characterize coupled CPW?
时间：04-09
整理：3721RD
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I want to design some coupled Transmission lines for filter applications, and mainly focusing on coupled CPW.
I read from books and literatures that the common way to characterize coupled TLs is through even and odd mode impedance. I see softwares as HFSS provide direct simulation results on these impededances.
***My question is how to infer even and odd mode impedance from S parameters measurement results?***
Any relevent papers, books chapters or direct experience would be helpful to me.
Thankyou.
I read from books and literatures that the common way to characterize coupled TLs is through even and odd mode impedance. I see softwares as HFSS provide direct simulation results on these impededances.
***My question is how to infer even and odd mode impedance from S parameters measurement results?***
Any relevent papers, books chapters or direct experience would be helpful to me.
Thankyou.
Anyone has some idea?
I would be grateful.
you can increase the number of modes (default is one to the nunber you want) in the simulation software and then u will get seperate S-paremeters for each of the mode
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